public long GetAnswer()
{
_slope = DataGetter.GetData();
long answer = 1;
var traversals = GetTraversals();
foreach (var traversal in traversals)
{
var currentRow = 0;
var currentCol = 0;
var treesHit = 0;
while (currentRow < _slope.Rows.Count)
{
if (IsATree(currentRow, currentCol))
{
treesHit++;
}
currentCol += traversal.Right;
currentRow += traversal.Down;
}
answer = answer * treesHit;
}
return(answer);
}
public static SlopeModel GetData()
{
var result = new SlopeModel();
using (var sr = new StreamReader("../../../DayThree/input.txt"))
{
string line;
while ((line = sr.ReadLine()) != null)
{
var row = new SlopeRow();
row.Location = line.Select(a => a.ToString()).ToList();
result.Rows.Add(row);
}
}
return(result);
}